Big Amu Darya Shovelnose Sturgeon (Pseudoscaphirhynchus kaufmanni)
Small narrow snout (dwarf) form
https://life-on-earth.ru/amu-darya-and-syr-darya-shovelnose-sturgeons/amu-darya-shovelnose-sturgeons-pseudoscaphirhynchus-nukus-balyk-hatchery-brood-stock-data-base/2-uncategorised/116-pseudoscaphirhynchus-kaufmanni-nukus-balyk-hatchery-brood-stock-inaturalist-277888729-chip-401862#sigProIdcdae6fcb67
The first 6 photos were taken on 04.04.2026
The next 4 photos were taken on 29.03.2025
iNaturalist link:
https://www.inaturalist.org/observations/277888729
Microchip implant 900263000-401862
Implanted 10.04.2025
Origin:The Amu Darya river, town of Khanka area (Khorezm province, Uzbekistan); 28.03.2025; weight 139 g
The weight data may not be correct before 04.04.2026 due to scales lapse that were not properly checked.
Ultra sound screening with AcuVista VT880a portable water proof ultra sound scanner:
Date: 10.04.2025
Result: male, maturity stage II
Weight on 10.04.2025 - 118 g
Date: 04.04.2026
Result: mature male
Weight on 04.04.2026 - 133 g
Video of ultra sound screening on 04.04.2026:
Videos of ultra sound screening on 10.04.2025: